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Articles

Design of a miniaturized dual-band textile antenna using characteristic modal analysis for on-body applications

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Pages 2415-2430 | Received 17 Feb 2018, Accepted 14 Aug 2018, Published online: 05 Sep 2018
 

ABSTRACT

A novel dual band textile antenna for ON body communication in the 2.45 and 5.8 GHz ISM bands is presented. The overall size of the antenna is 60 × 30 × 3.75 mm3 and the merit of the antenna lies in its design simplicity. To realize a small antenna size, the lower resonant frequency is generated by the ground plane which is larger than the radiator normally. The ground plane has been miniaturized with the addition of two alternate quarter wavelength slots placed parallel to each other. Through characteristic modal analysis, the ground plane of the antenna is optimized for radiating field parallel to the body which could facilitate ON body communication. The patch at the top has been folded in opposite directions to resonant at higher frequency. An equivalent circuit showing the working mechanism of the ground and the patch is shown. Simulation results were verified by measurement for the given antenna.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by Ministry of Electronics and Information Technology, Government of India.

Notes on contributors

Shankar Bhattacharjee

Shankar Bhattacharjee was born in Assam, India. He received B. Tech in Electronics and Communication engineering from the West Bengal University of Technology, India, in 2013 and M. Tech from National Institute of Technology (NIT), Arunachal Pradesh, in 2015. Since 2015, he is pursuing the Ph.D. degree in Microwave engineering at the Department of Electronics and Telecommunication Engineering, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, West Bengal, India. His research interests include design and optimization of antennas for wearable and implantable applications.

Manas Midya

Manas Midya received his B.Tech. degree in Electronics and Communication Engineering from Jalpaiguri Govt. Engineering College, West Bengal, India in 2009 and M.E. degree in Microwave Communication from Indian Institute of Engineering Science and Technology (IIEST), Shibpur, Howrah, India in 2014. His research interest includes designing of circularly polarized antennas. He has contributed to numerous research articles in various journals and conferences of repute. He is currently working towards the Ph.D. degree at IIEST, Shibpur.

Sekhar Ranjan Bhadra Chaudhuri

Sekhar Ranjan Bhadra Chaudhuri received the B.E. and M.E. degrees in electronics and telecommunication engineering from the Bengal Engineering College, University of Calcutta, Kolkata, India, and the Ph.D. (Engineering) degree from Jadavpur University, Kolkata, in 1990. He is currently a Professor with the Department of Electronics and Telecommunication Engineering, Indian Institute of Engineering Science and Technology (IIEST), Shibpur (formerly Bengal Engineering and Science University, Shibpur), India, where he has been for more than 36 years. He has supervised 12 doctoral students. He is the joint inventor of two Indian Patents (Product and Process as well). He has authored or co-authored more than 150 research papers in various international/national journals and conferences. His research interests mainly include small antennas for mobile communication and electromagnetics for advanced applications. He is a Life Member of the Indian Society for Technical Education and the Electromagnetic Interference/Electromagnetic Compatibility Society of India.

Monojit Mitra

Monojit Mitra did his B.Tech, M.Tech, and Ph.D. from the Institute of Radio Physics & Electronics under Calcutta University in the year of 1982, 1984–85 and 1995 respectively. Then he joined as an Assistant Professor in the Department of Electronics & Telecommunication Engineering of IIEST (Formerly B. E. College), Shibpur in 1995 and at present, he is a Professor there. He had served as a head from 2012–2014 and also he is again serving the department as a head from 2016 to till date. His research area of interest is in the field of Microwave and especially in the fabrication of IMPATT diodes and systems. He is also a member of different prestigious societies. He is also the recipient of many prestigious awards.

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